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cable Internet, 7, 48, 197, 255, 260-261, 261, 292, 293, 326
cabling costs, 268-270
cafe/coffee shop hotspots, 280
carrier multiplexing, 25
carrier sense multiple access with collision avoidance (CSMA/CA), 143-148
carrier sense multiple access with collision avoidance (CSMA/CD), 25, 33, 34, 143
Category 5 (CAT5) cabling, 268
cell phones, 16
cells, 49
CELP coding, 184
central offices, 4-5
certification, 245
Certified Wireless Network Professional (CWNE), 245
challenge handshake authentication protocol (CHAP) in, 92
challenge phrases, WEP, 64
channels, channel selection, 109-111, 110
clear channel assessment (CCA) in, 144
frequency allocation in, 312, 228-231, 230, 231
interference and, 109-111
overlap, 229, 230
Shannon's channel capacity theory, 116
chipping codes, 16-17, 22
chips, in DSSS, 17, 22
Christensen, Clayton, 11, 304, 330
CINDOOR, 224
ciphertext, wired equivalent privacy (WEP), 70
circuit switched speech coding in IP telephony and, 184, 185-192
Cirrus Logic, 213
Cisco, 235, 251, 257
Class 4 switches, 4-5, 5, 167, 171
Class 5 switches, 4-5, 5, 167, 171
clear channel assessment (CCA), 144
clear to send (CTS) frames, 25, 145, 145
client adapter cards, 232-234
coax and connector loss in, 219-220, 219
coaxial cable, 3
code division multiple access (CDMA), 24, 115, 301
codecs, voice over IP (VoIP) and, 162, 179-184, 180
collinear antennas, 239, 239
commons or open access model of frequency spectrum, 324
Communications Assistance for Law Enforcement Act (CALEA), VoIP and, 172, 190-192
community hotspots, 258, 259-261, 259, 260, 261
commuters, 340-343
Compact Flash (CF) cards, 233
competition, 346-347
competitive local exchange carriers (CLECs), 2, 285
complementary code keying (CCK), 17, 19, 211
components of 802.11 networks, 37
compression/decompression, VoIP, 162-163, 178
computer sales and wireless, 295-296
connector loss in, 219-220, 219
connectors, antennas, nonstandard, 245-246
consecutive point network (CPN), 53, 55
consumer benefits of wireless, 296-300
consumer surplus concept, 292-293
contention free period (CFP), 149
controlled load levels, 128, 130
coverage, 266
Crandall, Robert, 292
customer premises equipment (CPE), 4, 278, 333
customer service and wireless, 273-274
cyclic redundancy check (CRC), 148
modification attacks in, 75-77
voice over IP (VoIP) and, 178
wired equivalent privacy (WEP), 70, 75
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